//
//  ScopedLogMessage.cpp
//
//  Created by Setsu on 4/18/10.
//  Copyright 2010 RoundSquare Inc. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
// 
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.

//----------------------------------------
//	include
//----------------------------------------
#include "ScopedLogMessage.h"

#include <Poco/Logger.h>
#include <Poco/Thread.h>
#include <Poco/Format.h>

//----------------------------------------
//	ScopedLogMessageImpl
//		using RAII idiom
//----------------------------------------
class ScopedLogMessage::ScopedLogMessageImpl
{
public:
	ScopedLogMessageImpl(	const std::string& commonMsg,
							const std::string& startMsg,
							const std::string& endMsg) :
		m_endMsg	(commonMsg + endMsg)
	{
		Poco::Logger::get(Poco::Logger::ROOT).information( ThreadIDString() + commonMsg + startMsg );
	}
	~ScopedLogMessageImpl()
	{
		Poco::Logger::get(Poco::Logger::ROOT).information( ThreadIDString() + m_endMsg );
	}
	void Message(const std::string& msg) const
	{
		Poco::Logger::get(Poco::Logger::ROOT).information( ThreadIDString() + msg );
	}
private:
	ScopedLogMessageImpl();
	ScopedLogMessageImpl(const ScopedLogMessageImpl&);
	ScopedLogMessageImpl& operator = (const ScopedLogMessageImpl&);

	int GetThreadID(void) const
	{
		Poco::Thread* p_thread = Poco::Thread::current();
		return (0 == p_thread) ? 0:p_thread->id();
	}
	std::string ThreadIDString(void) const
	{
		return Poco::format("[%d] ", GetThreadID());
	}

	const std::string	m_endMsg;
};

//----------------------------------------
//	ScopedLogMessage
//----------------------------------------
ScopedLogMessage::ScopedLogMessage(	const std::string& commonMsg,
									const std::string& startMsg,
									const std::string& endMsg) :
	m_pImpl(new ScopedLogMessageImpl(commonMsg, startMsg, endMsg))
{
}

ScopedLogMessage::~ScopedLogMessage()
{
}

void ScopedLogMessage::Message(const std::string& msg) const
{
	m_pImpl->Message(msg);
}
